/Engine/Source/Editor/SkeletonEditor/Public/SkeletonTreeBuilder.h
Helper function for filtering
ESkeletonTreeFilterResult FilterRecursive ( const [FSkeletonTreeFilterArgs](API\Editor\SkeletonEditor\FSkeletonTreeFilterArgs) & InArgs, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ISkeletonTreeItem](API\Editor\SkeletonEditor\ISkeletonTreeItem) > & InItem, [TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ISkeletonTreeItem](API\Editor\SkeletonEditor\ISkeletonTreeItem) >> & OutFilteredItems )